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matlab子函数matlab的子函数是不是必须要有参数 同底数幂的乘除运算,10道, 同底数幂相乘除的性质 matlab中ezplot画曲线如何设置颜色在matlab中画图函数不少,plot和fplot函数都可以设置线型、颜色等等,但是ezplot函数怎么设置啊? 请问matlab高手ezplot作图的格式问题这个式子,怎么作图? matlab fill函数的绘图颜色怎样设定? 一道初三英语选择题,急!在线等!Mr Grade was _______ his old suit while his wife ______ an expensive dress.A wearing,dressed inB dressed in,was wearing请问为什么选A不选B? 1 I‘ve got many books on chinese food You can borrow ____ if you likeA .EITHER B.ONE C.IT D.EVERY 为什么不能选A？2 We have ____up early in order to catch the bus early.A.used to get B.been used to get C.used for getting D,been used to gettin 1The monkey was seen( )off the tall tree A jump Bjumps C to juamp2What beautiful flowers in the garden _Yeah!They( )here last yearA planted B were planted c are planted3 Jack( )Leave( )his teacher comes backA doesn't until B isn't until Cwon't,until 求助有关于“幂的运算——幂的乘方——积的乘方”的相关数学问题1、10的3次方 乘 10 + 100 乘 10 =?.2、3的100次方 乘 （-3）的100次方=?3、a的2次方+a 乘 a =?,a的平方+a+a=?4、若（-2）的4次方 乘 8 幂的乘方与积的乘方（-0.125）的五次方×4的十次方等于多少 关于幂的乘方和积的乘方.1、(-4)的2007次幂 X （-0.25的2008次幂2、3的n次幂 X 9的n-1次幂 X 273、81的2n-1次幂 X 3的n-1次幂4、（-2乘10的6次幂)的2次幂乘（6乘10的2次幂）的2次幂5、（-2x的3次幂）的2次 怎样用matlab解三角函数cos（π/2*cosθ）/sin(θ)=0.707?是cos（（π/2）*cosθ）/sin(θ)=0.707 matlab算三角函数结果不对呀 比如cos(90)=-0.4481 1.The film made all the students ________ to tears.A.moved B.moving C.move D.to move2.—Where is Mike?—He has gone away __________ the weekend.A.on B.for C.in D.at3.His failure made his father think him a ___________ boy.A.disappoint B.disappointe 八上数学幂的乘方计算题求过程, 幂的乘方计算题, 如何绘制f（x（1）,x（2））=21.5+x(1)*sin(4*pi*x(1))+x(2)*sin(20*pi*x(2); 这个函数图,用matlabs.t-3-x(1) f(x)=xsin(10*pi*x)+2 x∈[-1,2],x=-1:0.1:2;y=x.*sin(10*pi.*x)+2;plot(x,y)用matlab画对吗?我一直不懂为什么定义符号运算 sym x;y=sym(x.*sin(10*pi.*x)+2)用matlab怎么老不出表达式?符号运算一直不大懂? matlab问题,>> t=0:0.2:3*pi;x=exp(-t).*sin(t);plot(t,x) >> t=0:0.2:3*pi;x=exp(-t)*sin(t);plot(t,x)>> t=0:0.2:3*pi;x=exp(-t).*sin(t);plot(t,x)>> t=0:0.2:3*pi;x=exp(-t)*sin(t);plot(t,x)这两个为什么一个可以执行,一个却不可以 怎么用matlab 画 函数 x（t）=sin（20*pi*t）的概率密度函数 指数幂的运算法则是什么》? 乘方指数是分子,根指数要当分母什么意思 幂的运算法则是什么很短的空子 幂的运算法则有哪些? 1 have you heard ____________?a when will Tom finish the taskb when tom will finish the taskc when would tom finish the taskd when tom would finish the task2 what _____the students' life like in the USA?a is b does cdo d did为什么这里LIFE不是 1.— Could you be so kind as to close the window?—________.A.With pleasure B.My pleasure C.Yes,please D.That's OK这题答案是A,可以选D吗?）14.The good chance that the young man has been looking forward to _____ at last.A.coming B.comes C.c 1、When you see my brother,you can't help____ him.A.likes B.like C.liking D.to like（help的用法是什么?）2.Would you mind ______here?A.I smoking B.my smoking C.smokes D.smoked(答案是B.为什么不是me ,my 在这么做什么?）3.This is o 每道题请给出【理由】,1、We used to meet_____month.A every other B any other C other D the other2、The population of China is _______than ________of any other country in the world.A larger,the one B more.that C larger,that D more,the one 3 matlab中用mesh画函数时公式里有正负号怎么在一个图形里显示出来?公式如下图所示,我想用MATLAB软件画图,命令：>> l=160;x=linspace(0,80,50);y=linspace(-80,80,50);[X,Y]=meshgrid(x,y);Z=meshgrid((0.2.*exp(-0.0221 matlab中用mesh函数画得3维曲面图形,并用不同颜色标记出重要的点,但是保存图像后发现,标记的点没出现? matlab中的mesh函数不能用我在matlab中输入以下命令：[x,y]=meshgrid(0:0.25:4*pi,1:9);z=sin(x);mesh(x,y,z)出现如图错误,是什么原因?